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144422193 = 3130736833
BaseRepresentation
bin10001001101110…
…11010100110001
3101001202102000010
420212323110301
5243433002233
622155245133
73402365646
oct1046732461
9331672003
10144422193
1174582593
12404497a9
1323bc8126
1415275dcd
15ca2bb63
hex89bb531

144422193 has 8 divisors (see below), whose sum is σ = 192715488. Its totient is φ = 96205184.

The previous prime is 144422189. The next prime is 144422209. The reversal of 144422193 is 391224441.

144422193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144422193 - 22 = 144422189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144422193.

It is not an unprimeable number, because it can be changed into a prime (144422143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14496 + ... + 22337.

It is an arithmetic number, because the mean of its divisors is an integer number (24089436).

Almost surely, 2144422193 is an apocalyptic number.

It is an amenable number.

144422193 is a deficient number, since it is larger than the sum of its proper divisors (48293295).

144422193 is a wasteful number, since it uses less digits than its factorization.

144422193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38143.

The product of its digits is 6912, while the sum is 30.

The square root of 144422193 is about 12017.5784998476. The cubic root of 144422193 is about 524.6600284199.

The spelling of 144422193 in words is "one hundred forty-four million, four hundred twenty-two thousand, one hundred ninety-three".

Divisors: 1 3 1307 3921 36833 110499 48140731 144422193